Min had the same number of pink, yellow and red beads at first. After giving some pink and yellow beads and 40 red beads away, Min had 224 beads left. There were 5 times as many pink beads as yellow beads left. The number of red beads left was 29 fewer than the number of pink beads left. How many red beads did she have at first?
| |
Yellow |
Pink |
Red |
Total |
| Before |
5 u + 11 |
5 u + 11 |
5 u + 11 |
|
| Change |
- 4 u - 11 |
- 11 |
- 40 |
|
| After |
1 u |
5 u |
5 u - 29 |
224 |
Min had the same number of pink, yellow and red beads at first.
Total number of beads in the end
= 1 u + 5 u + 5 u - 29
= 11 u - 29
11 u - 29 = 224
11 u = 224 + 29
11 u = 253
1 u = 253 ÷ 11 = 23
Number of red beads that Min had at first
= 5 u - 29 + 40
= 5 u + 11
= 5 x 23 + 11
= 126
Answer(s): 126
